Charlie Summers / African Helmeted Terrapin (Pelomedusa subrufa) Kgalagadi, South Africa.

Anup Shah / Helmeted terrapin (Pelomedusa subrufa) sitting in open grassland. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Helmeted terrapin (Pelomedusa subrufa) sitting in open grassland. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Helmeted terrapin (Pelomedusa subrufa) sitting in open grassland. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Helmeted terrapin (Pelomedusa subrufa) withdrawn in to its shell sitting on a dried up track. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Tui De Roy / African Helmeted Turtle (Pelomedusa subrufa) basking, Loisaba Wilderness, Kenya

Jabruson / Marsh terrapin {Pelomedusa subrufa} resting on Hippopotamus's back, Virunga NP, Dem Rep Congo

Jabruson / Marsh terrapin {Pelomedusa subrufa} in water coming to surface to breathe, Tsavo East NP, Kenya

Tony Heald / Marsh terrapin {Pelomedusa subrufa} trying to sunbathe on top of another Terrapin, Etosha national park, Namibia.

Tony Heald / Marsh terrapin sunning {Pelomedusa subrufa} on rock, Etosha NP, Namibia

Philippe Clement / Helmeted / Marsh terrapin (Pelomedusa subrufa) in rain puddle, Kgalagadi NP, Kalahari desert, South Africa

Hermann Brehm / Marsh terrapin entering water {Pelomedusa subrufa} Botswana